Tables for
Volume D
Physical properties of crystals
Edited by A. Authier

International Tables for Crystallography (2013). Vol. D, ch. 1.7, p. 198


B. Boulangera* and J. Zyssb

aInstitut Néel CNRS Université Joseph Fourier, 25 rue des Martyrs, BP 166, 38042 Grenoble Cedex 9, France, and bLaboratoire de Photonique Quantique et Moléculaire, Ecole Normale Supérieure de Cachan, 61 Avenue du Président Wilson, 94235 Cachan, France
Correspondence e-mail:

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Matrix representations of the (oee) and (eoo) field tensors of the uniaxial class and of the biaxial class in the principal planes xz and yz, with [\omega_1\ne \omega_2] (Boulanger & Marnier, 1991[link])

[Scheme scheme1]

InteractionsThree-rank [F_{ijk}(\theta,\varphi)] field tensors
Type eoo [Scheme scheme2]
SFG (ω3) type I < 0
DFG (ω1) type I > 0
DFG (ω2) type I > 0
Type oee [Scheme scheme3]
SFG (ω3) type I > 0
DFG (ω1) type I < 0
DFG (ω2) type I < 0